US PATENT SUBCLASS 318 / 579
.~.~.~ Multiple pass systems

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


318 /   HD   ELECTRICITY: MOTIVE POWER SYSTEMS

560  DF  POSITIONAL SERVO SYSTEMS (E.G., SERVOMECHANISMS) {23}
567  DF  .~ Program- or pattern-controlled systems {3}
575  DF  .~.~ Multiple axes analog systems {3}
579.~.~.~ Multiple pass systems

DEFINITION

Classification: 318/579

(under subclass 575) Subject matter in which the system controlled makes a plurality of passes of ever increasing precision.

(1) Note. For example, a patterned controlled machine tool which make a rough cut and ultimately a finish cut with as many intermediate cuts as are necessary.

SEE OR SEARCH CLASS

409, Gear Cutting, Milling, or Planing,

288+, for a planning machine which functions in the manner of the device of this subclass.